CN109900498A - Vehicle complete vehicle reliability test bench and application method - Google Patents
Vehicle complete vehicle reliability test bench and application method Download PDFInfo
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- CN109900498A CN109900498A CN201910321972.3A CN201910321972A CN109900498A CN 109900498 A CN109900498 A CN 109900498A CN 201910321972 A CN201910321972 A CN 201910321972A CN 109900498 A CN109900498 A CN 109900498A
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
Vehicle complete vehicle reliability test bench and application method, including several X-Y axis exciting components, several Z axis exciting components, several lifting rotation components, several drum assemblies and fan assembly, every two X-Y axis exciting component passes through broadside abutting joint, lifting rotation component is mounted at the top of each X-Y axis exciting component, Z axis exciting component is mounted at the top of each lifting rotation component, drum assembly is mounted at the top of each Z axis exciting component, and X-Y axis exciting component, Z axis exciting component, lifting rotation component and drum assembly constitute whole master component, the X-Y axis exciting component, lifting assembly, Z axis exciting component and drum assembly are mounted below ground, and III upper surface of bottom plate of drum assembly is concordant with ground, fan assembly is installed on the ground, the wind of fan assembly Machine base supporting leg lower surface is concordant with ground, apparatus of the present invention can simulated automotive increasingly complex state when driving, compared with the comprehensive performance of comprehensive assessment automobile.
Description
Technical field
The invention belongs to automobile test platform technology fields, and in particular to vehicle complete vehicle reliability test bench and user
Method.
Background technique
In early days, automobile only makees the tentative traveling of short distance after completing general assembly, to check its quality.Some automobile factorys exist
Plant area nearby builds dedicated test section (including different road surfaces and ramp).Nineteen twenty-four, General Motors Overseas Corporation is in Mir
Ford city establishes a dedicated proving ground.Then, all successive self-built test site of the motor corporation of US and European.Generation
Has the size test site more than 60 of 100~3500 hectares of area in boundary.Other than testing vehicle, major automobile factory and
Professional production factory also utilizes laboratory test platform to main component such as engine, carburetor, clutch, transmission, drive shaft, steering
The test of the progress performance, efficiency, reliability, durability and sundry item such as machine, brake.Since the seventies, since simulation is managed
By the development with electronic computer technology, and develop the components examination of simulation actual travel situation by electronic system control
Platform and carload test bed are tested, originally needs the numerous items tested on test site that can carry out in laboratory, not only shortens
Test period and reliable and comparativity very high test result can also be obtained.But due to vehicle operation condition complexity, most
Foundation is still reflected as with the result of actual use and user eventually.Therefore, testing stand, proving ground test must be with actual use
Result be mutually authenticated, find out equivalent value between the two.
The qualification test of mass-produced car progress before automobile or its main component formally produce, so as to examining automobile
Or performance, efficiency, reliability, durability and the adaptability of component, to guarantee that product meets requirement.This test is general first
With 3~8 sample cars, a part carries out 5~160,000 kilometers of performance test, reliability test and durability test, a part into
Row compatibility test, wherein performance test includes dynamic property, fuel economy, braking, manipulation stability, ride comfort and leads to
The property crossed.New model goes to contact to need to carry out expansionary test in this test of progress.The accumulation of each sample car and its component is tested
Mileage up to gigameter more than.After sample car test, revisions on drawings eliminates defect, remanufactures 20~50 and carries out bigger rule
Then the actual service test of mould can just be put into production with examining the stability of technique.The automobile little for yield, such as work
Quarry tipper, because its main component is mostly the off-the-shelf for selecting special manufacturer, so only being carried out to manufactured parts such as vehicle frame
Reliability and durability test, and the performance of vehicle, adaptability, reliability and durability test then carry out in use at the scene.
Current outdoor test field needs the profession of higher cost to build and safeguard, and needs well-trained professional driver
Team.The expense for the bench run that compares relatively saves, and tests that the required time is shorter, and experimental condition is relatively easy to control, application range
It is growing.But this test is generally chiefly used in the comprehensive test of individual event performance or durability test or a small number of relevant items,
Simulated automotive driving status is more single, only drives at a constant speed automobile on a moving belt mostly, can not simulate more
For complicated state, comprehensive performance cannot be more fully examined, and most of experimental benches can only be to the vapour of a small number of specified models
Vehicle is tested, and generalization is lower.
Summary of the invention
To achieve the goals above, the invention proposes vehicle complete vehicle reliability test bench, which includes several
X-Y axis exciting component, several Z axis exciting components, several lifting rotation components, several drum assemblies and blower fan group
Part, every two X-Y axis exciting component are mounted on lifting rotation by broadside abutting joint, each X-Y axis exciting component top
Component, each lifting rotation component top are mounted on Z axis exciting component, are mounted on rotary drum at the top of each Z axis exciting component
Component, and X-Y axis exciting component, Z axis exciting component, lifting rotation component and drum assembly constitute whole master component, the X-Y
Axis exciting component, lifting assembly, Z axis exciting component and drum assembly are mounted below ground, and the bottom plate III of drum assembly
Upper surface is concordant with ground, and fan assembly, the base plate supporting leg lower surface of fan assembly and ground are equipped on the ground
Concordantly.
The X-Y axis exciting component includes bottom plate, and the bottom plate is fixedly installed in below ground, and plate upper surface is along length
Direction is provided with guiderail base, and guiderail base upper surface is mounted on short fixed steelframe, is equipped on two short fixed steelframe short
Sliding-rail sliding device I, plate upper surface are provided with long fixed steelframe in the width direction, are equipped with long cunning on two long fixed steelframe
The shoe surface of rail slide block device I, long track slide block device I and short sliding-rail sliding device I is mounted on bar support base, short sliding rail
Long round bar is installed between two bar support bases on slide block device I, is pacified between two bar support bases on long track slide block device I
It equipped with short round bar, is respectively mounted on short round bar and long round bar there are two spring I and two spring pedestal, I one end of spring and spring bottom
Seat is connected, and the other end is connected with bar support base, and the upper surface of spring pedestal is equipped with component top plate, the lower surface peace of component top plate
Equipped with vibration excitor I.
The lifting rotation component includes support plate, lower fixed steel frame component and upper fixed steel frame component, lifting rotation
The support plate of component and the component top plate of X-Y axis exciting component are fixedly mounted, and support plate upper surface is equipped with lower fixed steel
Frame component, lower fixed steel frame component include the fixed steelframe in lower outside, the fixed steelframe in lower inside and under short fixed steelframe, lower outside is solid
Determine steelframe short fixed steelframe under to join end to end, and be symmetrically arranged with the fixed steelframe in lower inside under two between short fixed steelframe,
Lower outside sliding-rail sliding device and lower interior wood side-guide are separately installed on the fixed steelframe of the fixed steelframe in lower outside and lower inside
Slide block device, the slider top of lower outside sliding-rail sliding device are equipped with lower outboard shafts roller support, and two lower outboard shafts roll
The axis of rolling I is installed between support, the slider top of lower inside sliding-rail sliding device is equipped with lower inner shafts roller support, and two
Lower inner shafts roll and are equipped with the axis of rolling II between shaft stool, fixed steel frame component include the fixed steelframe in upper outside, on
The fixed steelframe in inside and upper short fixed steelframe, the fixed steelframe in upper outside and upper short fixed steelframe join end to end, and two upper short solid
Determine to be symmetrically arranged with the fixed steelframe in inside between steelframe, pacify respectively on the fixed steelframe of the fixed steelframe in upper outside and upper inside
Equipped with upper outside sliding-rail sliding device and upper inside sliding-rail sliding device, the slider bottom of upper outside sliding-rail sliding device is equipped with
Upper outboard shafts roller support, two upper outsides, which roll, is equipped with the axis of rolling III between shaft stool, upper inside sliding-rail sliding device
Slider bottom is equipped with inner shafts roller support, is equipped with the axis of rolling IV, the axis of rolling I between two upper inner shafts roller supports
It is connected with III one end of the axis of rolling by stock I, the other end is connected by stock II, and the axis of rolling II and IV one end of the axis of rolling pass through length
Bar III is connected, and the other end is connected by stock IV, the stock I, stock III, stock IV and stock II centre bore in be interspersed with
Firm axis, the support plate upper surface are equipped with hydraulic cylinder bearing soleplate, and hydraulic cylinder bearing soleplate upper surface is symmetrically installed with
Hydraulic cylinder weight bearing foundation, the upper surface of hydraulic cylinder weight bearing foundation are equipped with hydraulic cylinder, and the piston-rod end of hydraulic cylinder is equipped with liquid
Cylinder pressure flange, the upper surface and upper fixed steelframe upper surface of two hydraulic cylinder flanges are provided with lifter plate, and the fixed peace of lifter plate
On upper fixed steelframe and hydraulic cylinder flange, the four corners of lifter plate are mounted on buphthalmos ball backing plate, each buphthalmos ball
It is mounted on buphthalmos ball on backing plate, swivel bearing support, swivel bearing support are installed at the center of the lifter plate upper surface
It is fixedly mounted by rotational positioning set thereon with bearing outer ring, bearing inner race and the swivel bearing seat of honour are fixedly mounted, rotary shaft
It holds the seat of honour and is connected by key gear wheel, be fixedly mounted at the top of gear wheel with top plate I, the lifter plate upper surface is equipped with motor branch
Fagging, two motor support plates tops are equipped with motor fixing plate, and the lower surface of motor fixing plate is fixedly installed with stepper motor,
Stepper motor output shaft is connected by key the pinion gear engaged with gear wheel through motor fixing plate part.
The Z axis exciting component includes bottom plate I, the bottom plate I of the Z axis exciting component and the top plate I of lifting rotation component
It is fixedly mounted, the I upper surface four corners of bottom plate are fixedly installed with lower guide rod, and lower guide rod outer circle is arranged with spring II and above leads
Bar, and II one end of spring is against in the end flanges of lower guide rod, the other end is against on the end face of top guide bar one end, the top guide bar other end
End flanges and top plate II be fixedly mounted, be fixedly installed with II fixed plate of vibration excitor, vibration excitor at the lower surface center of top plate II
Vibration excitor II is fixedly installed in II fixed plate.
The wheel hub component includes bottom plate III and guide rail upper mounting plate, the bottom plate III and Z axis exciting component of the wheel hub component
Top plate II be fixedly mounted, III upper surface of bottom plate is symmetrically arranged with sliding-rail sliding device II, sliding-rail sliding along its length
There are two guide rail upper mounting plates for the sliding block upper surface installation of device II, and two guide rail upper mounting plate upper surfaces one end is mounted on motor bottom
, motor is fixedly installed on motor base, motor output shaft passes through clutch, Axial Mounting Part and key and driving shaft one end phase
Even, two guide rail upper mounting plate upper surfaces are mounted on bearing block base, and bearing block base upper surface is equipped with bearing block I, actively
The axis other end is equipped with rotary drum front cover and rotary drum rear cover by rotary drum key through bearing block I, and rotary drum front cover and rotary drum rear cover it
Between rotary drum body is installed, the guide rail upper mounting plate upper surface other end is fixedly installed with damping unit block, damping unit block
Intracavity bottom is equipped with bearing block II, is fixedly installed with damping unit middle section at the top of damping unit block, damping unit block with
Three large through-holes, installation in one of large through-hole are formed on the side wall that damping unit middle section junction two of them are oppositely arranged
There are active bearings, driving shaft transparent cover is installed in large through-hole on the outside of active bearings, is installed between driving shaft transparent cover and active bearings
There is active shaft filler washer, driving shaft transparent cover inner ring is equipped with sealing ring, and the driving shaft sequentially passes through master through rotary drum back cover portion
Moving axis washer, sealing ring, active bearings, driving shaft oil baffle disc, driving wheel and bearing block II are rotatablely installed, two coaxial arrangements
It is held in large through-hole by driven shaft and is rotatably equipped with driven shaft, it is bored to be equipped with driven shaft for large through-hole inner wall on the outside of two driven bearings
Lid, and is equipped with driven shaft filler washer between driven shaft boring cover and driven bearing, be equipped in the driven shaft outer circle driven wheel and
Damping sleeve is mounted on driven axle bumper oil between driven wheel and a driven bearing, between damping sleeve and another driven bearing
Disk forms two small through hole on other two side wall for being oppositely arranged of damping unit block and damping unit middle section junction, small
It is fixedly installed with control-rod in through-hole, the screwed hole of centre of control-rod and damping slide block is spirally connected, fixed at the top of damping unit middle section
Damping unit upper cover is installed, is fixedly installed with guide rod, guide rod and master in the through-hole of damping unit middle section and damping unit block
Moving axis is vertically arranged, four guide rods respectively with four screw holes of damping slide block four corners, the circular arc of the damping slide block
It is provided with damping fin on face, threaded hole is offered on the guide rail upper mounting plate, operating stick, operating stick both ends are bolted in threaded hole
It is provided with disk, the upper surface of the bottom of the operating lever disk is provided with damping gasket.
The fan assembly includes base plate, and base plate is installed on ground, and the upper surface of base plate is provided with
Three blowers.
The application method of vehicle complete vehicle reliability test bench is included the following steps: using vehicle complete vehicle reliability test bench
Step 1, the wheelspan, wheelbase and automotive wheel size that automobile is determined according to the vehicle of tested automobile, pass through tune
Positioning operation bar and sliding-rail sliding device II in wheel hub component are saved to position determining rotary drum body position, truck crane is placed on and is being tried
It tests on platform, and is located at the wheel of tested automobile in the gap of adjacent hubs body；
Step 2, I start button of vibration excitor for opening the X-Y axis exciting component on supervisory control desk starts vibration excitor I, passes through
Four vibration excitors I in X-Y axis exciting component are that the structure above component top plate applies the exciting of X-Y axis, and damps with spring I
Power interaction generate X-Y axis vibration, for simulate when automobile encounter protuberance ground when from front, below and side
Vibration；
Step 3, the pump start button on supervisory control desk is opened, the hydraulic cylinder work of rotary components drops in oil pump drive portion decilitre
Work makes the piston rod of hydraulic cylinder stretch out or withdraw out of hydraulic cylinder body, to realize the lifting of lifter plate, and then makes lifter plate
The structure of top is lifted or puts down, and falls into potted road surface for simulated automotive piece wheel or travels the shape when swelling road surface
State；
Step 4, the stepper motor start button of the lifting rotation component on supervisory control desk is opened, stepper motor work drives
Pinion gear rotation, and then pinion gear drives gear wheel rotation, and the lifter plate of lifting rotation component is driven to realize spinning movement, thus
The structure above lifter plate is set to complete spinning movement, driving status when for simulated automotive wheel steering；
Step 5, the start button for opening the vibration excitor II in the Z axis exciting component on supervisory control desk, passes through Z axis exciting group
Vibration excitor II in part is that system applies Z axis exciting, and interacts with II damping force of spring and generate the vibration of Z axis；Work as rotary drum
When automotive wheel on body is active drive, clutch is disconnected, and passes through the control of artificial rotary damping device before reliability test
Bar processed makes the damping fin on damping slide block be in contact with the damping sleeve on driven shaft, starts automobile engine, drives automotive wheel
Rotation, automotive wheel rotation drive the rotation of wheel hub body, and rotary drum body drives driving shaft rotation, and driving shaft passes through driving wheel band thereon
The dynamic driven wheel rotation being engaged with, and then driven shaft generates rotation, friction is generated between damping sleeve and damping fin, thus sending out
Motivation to wheel tyre brings load during driving automotive wheel rotation, for simulated automotive active drive wheel when driving
Driving status；Automobile is avoided to go out this test during the test by adjusting the spacing between rotary drum body according to actual operating condition
Platform；When the automobile tire on wheel hub is driven driving, clutch closure, rotary damping device control-rod makes the resistance on driven shaft
Buddhist nun's set is mutually separated with the damping fin on damping slide block, starts motor by the electric motor starting button on supervisory control desk, motor is defeated
Shaft rotation drives spindle rotation, and then drives the wheel hub body rotation on driving shaft, and rotary drum body rotation drives Automobile rotation
Dynamic, so that the tire belt for driven rotation carrys out driving force, for simulated automotive driven wheel when driving state；
Step 6, according to requirement of experiment, after the angle by manually adjusting blower, the blower starting on supervisory control desk is opened
Button starts blower, by manually adjusting wind direction and the wind-force size of blower come the windage in simulated automotive traveling.
The invention has the benefit that
1, four standard sliding-rail sliding devices in the X-Y axis exciting component in vehicle complete vehicle reliability test bench of the present invention
It is non-interference when can make component top plate along X and Y-axis both direction exciting with the setting of oval bar and short round bar above it,
To which the side in simulated automotive traveling, front, posterior direction can simulate increasingly complex vapour to the active force of automobile
Vehicle travelling state more fully examines comprehensive performance.
2, the elastic force of the spring I in the X-Y axis exciting component in vehicle complete vehicle reliability test bench of the present invention can with swash
The exciting force that device I generates that shakes interacts, so that preferably simulated automotive is true while guaranteeing X-Y axis exciting assembly life-span
Travel situations.
3, two standard sliding-rail sliding devices in the lifting rotation component in vehicle complete vehicle reliability test bench of the present invention
It is matched with two standard hydraulic cylinders, device lifter plate can be made to make elevating movement, encounter stepped form in simulated automotive traveling
The case where road surface, more fully examines comprehensive performance to simulate increasingly complex vehicle driving state.
4, the standard stepper motor in the lifting rotation component in vehicle complete vehicle reliability test bench of the present invention, pinion gear,
Gear wheel cooperates, and lifter plate can be made to make the rotation of any specific angle, thus need to turn in simulated automotive traveling
Situation more fully examines comprehensive performance to simulate increasingly complex vehicle driving state.
5, the lower guide rod in the Z axis exciting component in vehicle complete vehicle reliability test bench of the present invention and top guide bar are matched
It closes and uses, and the exciting force of the elastic force of spring II and vibration excitor II interacts, it is more steady when can make component Z axis exciting
It is fixed, thus the case where preferably simulated automotive encounters potted road surface while guaranteeing assembly life-span.
6, the guide rail upper mounting plate in the wheel hub component in vehicle complete vehicle reliability test bench of the present invention is equipped with tapped through hole, and
The threaded sliding block positioning operation bar in end is screwed in, has sliding block to position damping gasket on operating stick and the contact surface of bottom plate III, from
And can be matched with sliding block railroad II to adjust rotary drum body position to adapt to the automobile of different model, have a wide range of application.
7, the automobile tire on the wheel hub in the wheel hub component in vehicle complete vehicle reliability test bench of the present invention is actively to drive
When dynamic, clutch is disconnected, and rotary damping device operating stick makes driven shaft damping sleeve be in contact with the damping fin on damping slide block,
In the case of this component operation, actively rotation drives wheel hub rotation to automobile tire, and rotary drum drives driving shaft rotation, and driving shaft turns
The torque of square and driven shaft interacts, to be the dynamic tire belt of main turn to load.
8, the automobile tire on the wheel hub in the wheel hub component in vehicle complete vehicle reliability test bench of the present invention is
When driven driving, clutch closure, rotary damping device operating stick makes driven shaft damping sleeve and the damping fin phase on damping slide block
Separation, standard electromotor is opened, and in this component operation, point power output shaft rotation drives wheel hub rotation, and rotary drum drives
Automobile tire rotation, so that the tire belt for driven rotation carrys out driving force.
9, the blower in the fan assembly in vehicle complete vehicle reliability test bench of the present invention is opened, and can pass through tune
Its whole wind speed direction and wind-force size carry out the windage in simulated automotive traveling.
Detailed description of the invention
Fig. 1 is vehicle complete vehicle reliability test bench complete structure schematic diagram of the invention；
Fig. 2 is the structural schematic diagram after X-Y axis exciting component hidden parts part of the invention；
Fig. 3 is X-Y axis exciting component complete structure schematic diagram of the invention；
Fig. 4 is the structural schematic diagram one after lifting rotation component hidden parts part of the invention；
Fig. 5 is the structural schematic diagram two after lifting rotation component hidden parts part of the invention；
Fig. 6 is the structural schematic diagram three after lifting rotation component hidden parts part of the invention；
Fig. 7 is lifting rotation component complete structure schematic diagram of the invention；
Fig. 8 is the complete structure schematic diagram at first visual angle of Z axis exciting component of the invention；
Fig. 9 is the complete structure schematic diagram at second visual angle of Z axis exciting component of the invention；
Figure 10 is the structural schematic diagram one after drum assembly hidden parts part of the invention；
Figure 11 is the structural schematic diagram two after drum assembly hidden parts part of the invention；
Figure 12 is the complete structure schematic diagram at first visual angle of drum assembly of the invention；
Figure 13 is the complete structure schematic diagram at second visual angle of drum assembly of the invention；
Figure 14 is fan assembly complete structure schematic diagram of the invention；
1-X-Y axis exciting component, 101- bottom plate, 102- guiderail base, the short fixed steelframe of 103-, the fixed steelframe of 104- long,
The short sliding-rail sliding device I of 105-, 106- long track slide block device I, 107- bar support base, 108- long round bar, the short round bar of 109-,
110- spring I, 111- spring pedestal, 112- component top plate, 113- vibration excitor I, I pedestal of 114- vibration excitor, 2- lifting rotation group
Part, 201- support plate, the fixed steelframe in outside under 202-, the fixed steelframe in inside under 203-, short fixed steelframe under 204-, under 205-
Outside sliding-rail sliding device, inside sliding-rail sliding device under 206-, outboard shafts roller support under 207-, the 208- axis of rolling I, 209-
Lower inner shafts roller support, the 210- axis of rolling II, the fixed steelframe in the upper outside 211-, the fixed steelframe in the upper inside 212-, 213- are upper short
Fixed steelframe, the upper outside sliding-rail sliding device of 214-, the upper inside sliding-rail sliding device of 215-, the upper outboard shafts roller support of 216-,
The 217- axis of rolling III, the upper inner shafts roller support of 218-, the 219- axis of rolling IV, 220- stock I, 221- stock II, 222- stock
III, 223- stock IV, 224- consolidate axis, 225- hydraulic cylinder bearing soleplate, 226- hydraulic cylinder weight bearing foundation, 227- hydraulic cylinder,
228- hydraulic cylinder flange, 229- lifter plate, 230- buphthalmos ball backing plate, 231- buphthalmos ball, 232- swivel bearing support, 233-
Positioning sleeve, 234- top plate I, the 235- swivel bearing seat of honour, 236- gear wheel, 237- motor support plate, 238- motor fixing plate,
239- stepper motor, 240- pinion gear, 3-Z axis exciting component, 301- bottom plate I, 302- lower guide rod, 303- top guide bar, 304- bullet
Spring II, 305- top plate II, II fixed plate of 306- vibration excitor, 307- vibration excitor II, 4- drum assembly, 401- bottom plate III, 402- are sliding
Rail slide block device II, 403- guide rail upper mounting plate, 404- motor base, 405- motor, 406- clutch, 407- driving shaft, 408-
Bearing block base, 409- bearing block I, 410- rotary drum front cover, 411- rotary drum rear cover, 412- rotary drum body, 413- damping unit block,
414- bearing block II, 415- damping unit middle section, 416- active bearings, 417- driving shaft transparent cover, 418- active shaft filler washer, 419-
Sealing ring, 420- driving shaft oil baffle disc, the driven bearing of 421-, 422- driven shaft boring cover, the driven shaft filler washer of 423-, 424- are driven
Wheel, 425- damping sleeve, 426- driven shaft oil baffle disc, 427- control-rod, 428- damping slide block, 429- damping unit upper cover, 430-
Guide rod, 431- damping fin, 432- operating stick, 433- damping gasket, 434- driving wheel, 435- driven shaft, 5- fan assembly, 501-
Base plate, 502- blower.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, vehicle complete vehicle reliability test bench, which includes four X-Y axis exciting components, 1, four Z axis
The drum assembly 4 of lifting rotation component 2, four of exciting component 3, four and a fan assembly 5, every two X-Y axis exciting group
Part 1 passes through broadside abutting joint, is mounted on lifting rotation component 2, each lifting rotation at the top of each X-Y axis exciting component 1
It is mounted on Z axis exciting component 3 at the top of component 2, drum assembly 4 is mounted at the top of each Z axis exciting component 3, and X-Y axis swashs
Vibration component 1, Z axis exciting component 3, lifting rotation component 2 and drum assembly 4 constitute whole master component, adjacent entirety master component it
Between be provided with gap, gap can be adjusted according to the vehicle of tested automobile, the X-Y axis exciting component 1, lifting assembly 2,
Z axis exciting component 3 and drum assembly 4 are mounted in the round pool of below ground, and the diameter of round pool is greater than testing stand diagonal line ruler
It is very little, and III 401 upper surface of bottom plate of drum assembly 4 is concordant with ground, and fan assembly 5, fan assembly 5 are equipped on the ground
501 supporting leg of base plate lower surface it is concordant with ground.
As shown in Figures 2 and 3, the X-Y axis exciting component 1 includes bottom plate 101, and the bottom plate 101 passes through foundation bolt
It is fixedly installed in below ground, 101 upper surface of bottom plate is bolted along its length is equipped with symmetrically arranged guide rail bottom
Seat 102, guiderail base 102 are drum steel, and two 102 upper surfaces of guiderail base are mounted on short fixed steelframe 103, and two short solid
Determine to be mounted on short sliding-rail sliding device I 105 on steelframe 103,101 upper surface of bottom plate is bolted installation in the width direction
There is symmetrically arranged long fixed steelframe 104, long track slide block device I 106, long track are installed on two long fixed steelframe 104
The shoe surface of slide block device I 106 and short sliding-rail sliding device I 105, which is bolted, is equipped with bar support base 107, short
Two bar support bases 107 being coaxially disposed on sliding-rail sliding device I 105 pass through the bolt flange with long 108 both ends of round bar respectively
Be fixedly mounted, two bar support bases 107 being coaxially disposed on long track slide block device I 106 by bolt respectively with short round bar 109
The flange at both ends is fixedly mounted, and is respectively mounted that there are two spring I 110 and two spring bottoms on each short round bar 109 and long round bar 108
Seat 111, spring pedestal 111 is made of moving portion and interconnecting piece, and moving portion is the rectangular part that one of short side is arc-shaped edges,
And through-hole is offered at arc-shaped edges, interconnecting piece is square plate, and moving portion one end is slidably installed with short round bar 109 or long round bar 108,
The moving portion other end and interconnecting piece are integrally formed, and I 110 one end of spring is connected with the moving portion of spring pedestal 111, the other end and bar
Support base 107 is connected, and bar support base 107 is welded by two plates, is vertically installed at the symmetrical centre of one of plate another
One plate, and threaded hole is offered on two boards, the interconnecting piece upper surface of spring pedestal 111 passes through bolt and component top plate
112 are fixedly mounted, and the lower surface of component top plate 112 is separately installed with four vibration excitors I by four I pedestals 114 of vibration excitor
113, when by supervisory control desk start four vibration excitors I 113, vibration excitor I 113 drive component top plate 112 vibrate, and with spring I
110 damping forces interact, by the starting stopping and exciting force size of each vibration excitor I 113 of control come control assembly top
The direction of excitation and degree of 112 top structure of plate.
As shown in Figure 4-Figure 7, the lifting rotation component 2 includes support plate 201, lower fixed steel frame component and upper fixation
The component top plate 112 of steel frame component, the support plate 201 and X-Y axis exciting component 1 of lifting rotation component 2 is bolted
Installation, 201 upper surface of support plate, which is bolted, is equipped with lower fixed steel frame component, and lower fixed steel frame component includes lower outer
Side fix steelframe 202, the fixed steelframe 203 in lower inside and under short fixed steelframe 204, the fixed steelframe 202 in lower outside and under short fixation
Steelframe 204 joins end to end, and is symmetrically arranged with the fixed steelframe 203 in lower inside under two between short fixed steelframe 204, and lower inside is solid
Determine steelframe 203 to fit closely with the fixed steelframe 202 in lower outside, the fixed steelframe 203 of the fixed steelframe 202 in lower outside and lower inside
On be separately installed with lower outside sliding-rail sliding device 205 and lower inside sliding-rail sliding device 206, lower outside sliding-rail sliding device
205 slider top is fixedly mounted by bolt and lower outboard shafts roller support 207, two lower outboard shafts roller supports 207 it
Between the axis of rolling I 208 is installed, the slider top of lower inside sliding-rail sliding device 206 is equipped with lower inner shafts by bolt and rolls
Support 209, two lower inner shafts roll and are equipped with the axis of rolling II 210 between shaft stool 206, and fixed steel frame component includes
The fixed steelframe 211 in upper outside, the fixed steelframe 212 in upper inside and upper short fixed steelframe 213, the fixed steelframe 211 in upper outside and upper short
Fixed steelframe 213 joins end to end, and the fixed steelframe 212 in inside is symmetrically arranged between two upper short fixed steelframes 213, upper interior
The fixed steelframe 212 in side is fitted closely with the fixed steelframe 211 in upper outside, the fixed steel of the fixed steelframe 211 in upper outside and upper inside
Outside sliding-rail sliding device 214 and upper inside sliding-rail sliding device 215, upper outside sliding-rail sliding are separately installed on frame 212
The slider bottom of device 214 is equipped with upper outboard shafts roller support 216 by bolt, two upper outsides roll shaft stool 216 it
Between the axis of rolling III 217 is installed, the slider bottom of upper inside sliding-rail sliding device 215 is equipped with upper inner shafts by bolt and rolls
Support 218 is gone up for two and is equipped with the axis of rolling IV 219, the axis of rolling I 208 and the axis of rolling III 217 between inner shafts roller supports 218
One end is connected by stock I 220, and the other end is connected by stock II 221, and stock I 220 and stock II 221 are located at two outsides
Between axis roller support, the axis of rolling II 210 is connected with IV 219 one end of the axis of rolling by stock III 222, and the other end passes through stock IV
223 are connected, and stock III 222 and stock IV 223 are located between two inner shafts roller supports, the stock I 220, stock III
222, the central hole clearance fit of stock IV 223 and stock II 221 has firm axis 224, and 201 upper surface of support plate is logical
It crosses bolt and hydraulic cylinder bearing soleplate 225 is installed, 225 upper surface of hydraulic cylinder bearing soleplate is symmetrically installed with hydraulic cylinder by bolt
The upper surface of weight bearing foundation 226, hydraulic cylinder weight bearing foundation 226 is fixed by the mounting flange of bolt and hydraulic cylinder 227, hydraulic cylinder
227 piston-rod end is equipped with hydraulic cylinder flange 228, table on the upper surface of two hydraulic cylinder flanges 228 and upper fixed steelframe
Face is provided with lifter plate 229 simultaneously, and lifter plate 229 is mounted by means of bolts on fixed steelframe and hydraulic cylinder flange 228
On, the four corners of the lifter plate 229 are mounted on buphthalmos ball backing plate 230, are mounted on each buphthalmos ball backing plate 230
Buphthalmos ball 231 is pacified by the way that the flange end of bolt and swivel bearing support 232 is fixed at the 229 upper surface center of lifter plate
Dress, swivel bearing support 232 are fixedly mounted by positioning sleeve 233 thereon and disc type bearing one end, the disc type bearing other end with
The swivel bearing seat of honour 235 is fixedly mounted, and the swivel bearing seat of honour 235 is keyed gear wheel 236 by gear wheel, and gear wheel key is side
Head flat key, length L are 60mm, and width B is 50mm, and thickness H is 30mm, are bolted at the top of gear wheel 236 and are equipped with top
Plate I 234, and I 234 lower surface of top plate is in rolling contact with the formation of buphthalmos ball 231,229 upper surface of lifter plate is equipped with electricity
Machine support plate 237, motor support plate 237 are located at two motor supports between two buphthalmos ball backing plates 230 that broadside is arranged
Motor fixing plate 238 is equipped with by bolt at the top of plate 237, the lower surface of motor fixing plate 238, which is bolted, to be equipped with
Stepper motor 239,239 output shaft of stepper motor pass through pinion gear key connection and gear wheel 236 through 238 part of motor fixing plate
The pinion gear 240 of engagement, pinion gear key are square toes flat key, and length L is 60mm, and width B is 20mm, and thickness H is 15mm, gear wheel
236 is identical as 240 transverse tooth thickness of pinion gear, and modulus is identical, and engaged transmission is realized between pinion gear 240 and gear wheel 236, in stepping electricity
The rotation for making pinion gear 240 that gear wheel 236 be driven to carry out specified angle under the driving of machine 239.
As illustrated in figs. 8-9, the Z axis exciting component 3 includes bottom plate I 301, the bottom plate I 301 of the Z axis exciting component 3
Be bolted installation with the top plate I 234 of lifting rotation component 2, the I 301 upper surface four corners of bottom plate by screw with
The end flanges of lower guide rod 302 are fixedly mounted, and 302 outer circle of lower guide rod is arranged with spring II 304 and top guide bar 303, top guide bar 303 with
The junction of lower guide rod 302 needs regular coating lubricating oil, and II 304 one end of spring is against in the end flanges of lower guide rod 302, another
End is against on the end face of 303 one end of top guide bar, and the end flanges of 303 other end of top guide bar are pacified by the way that bolt and top plate II 305 are fixed
It fills, II fixed plate 306 of vibration excitor, and II fixed plate 306 of vibration excitor is equipped with by bolt at the lower surface center of top plate II 305
Long side it is equal with the broadside of bottom plate I 301, II fixed plate 306 of vibration excitor is by bolt and is equipped with that vibration excitor II 307 is fixed to pacify
Dress starts II 307 button of vibration excitor on supervisory control desk, applies the exciting of Z-direction to experimental rig, and damp with spring II 304
Power interaction, to realize the Z-direction vibration of component.
As shown in Figure 10-Figure 13, the wheel hub component 4 includes bottom plate III 401 and two guide rail upper mounting plates 403, the wheel
The bottom plate III 401 of drum component 4 and the top plate II 305 of Z axis exciting component 3 are bolted installation, table on the bottom plate III 401
Face is symmetrically arranged with sliding-rail sliding device II 402 along its length, is equipped with four on the sliding rail of each sliding-rail sliding device II 402
A sliding block, one of 403 one end of guide rail upper mounting plate pass through two cunnings on bolt and one of sliding-rail sliding device II 402
Block is fixedly mounted, and the other end is fixedly mounted by two sliding blocks on bolt and another sliding-rail sliding device II 402, another
403 one end of guide rail upper mounting plate is fixedly mounted by other two sliding block on bolt and one of sliding-rail sliding device II 402,
The other end is fixedly mounted by other two sliding block on bolt and another sliding-rail sliding device II 402, described two guide rails
403 upper surface one end of upper mounting plate is bolted respectively is equipped with motor base 404, leads to respectively on two motor bases 404
Cross bolt and be fixedly installed with motor 405,405 output shaft of motor by clutch 406, Axial Mounting Part and round end general flat key with
407 one end of driving shaft is connected, and the length L of round end general flat key is 30mm, and width B is 20mm, with a thickness of 30mm, on two guide rails
403 upper surface of platform is mounted on bearing block base 408, and 408 upper surface of bearing block base is equipped with bearing block I 409, driving shaft
407 other ends are equipped with rotary drum front cover 410 and rotary drum rear cover 411 by rotary drum key through bearing block I 409, and rotary drum key is round end
General flat key is machined with axial limiting card slot in one end of round end general flat key, for limiting rotary drum front cover 410 and rotary drum rear cover
411 axial movement, and rotary drum body 412 is installed on the driving shaft 407 between rotary drum front cover 410 and rotary drum rear cover 411, it is described
The 403 upper surface other end of guide rail upper mounting plate is fixedly installed with damping unit block 413,413 intracavity bottom of damping unit block peace
Equipped with bearing block II 414, damping unit middle section 415, damping unit block 413 are fixedly installed at the top of damping unit block 413
Three large through-holes, one of large through-hole are formed on the side wall being oppositely arranged with 415 junction two of them of damping unit middle section
Active bearings 416 are inside installed, driving shaft transparent cover 417, driving shaft transparent cover 417 are installed in 416 outside large through-hole of active bearings
Active shaft filler washer 418 is installed between active bearings 416,417 inner ring of driving shaft transparent cover is equipped with sealing ring 419, the master
Moving axis 407 sequentially passes through active shaft filler washer 418, sealing ring 419, active bearings 416, driving shaft through 411 part of rotary drum rear cover
Oil baffle disc 420, driving wheel 434 and bearing block II 414 are rotatablely installed, and driving wheel 434 is fixedly mounted on master by driving wheel key
On moving axis 407, driven shaft 435, two driven shafts are rotatably equipped with by driven bearing 421 in the large through-hole of two coaxial arrangements
It holds 421 outside large through-hole inner walls and driven shaft boring cover 422 is installed, and be equipped between driven shaft boring cover 422 and driven bearing 421
Driven shaft filler washer 423, driven wheel 424 and damping sleeve 425 are equipped in 435 outer circle of driven shaft, and driven wheel 424 passes through driven
It takes turns key and driven shaft 435 is fixedly mounted, driven wheel key and driving wheel key are square toes general flat key, and length L is 40mm, width B
For 32mm, thickness H is 15mm, and driven wheel 424 is engaged with driving wheel 434, between driven wheel 424 and a driven bearing 421,
Driven shaft oil baffle disc 426, damping unit block 413 and damping are mounted between damping sleeve 425 and another driven bearing 421
Two small through hole are formed on other two side wall for being oppositely arranged of 415 junction of device middle section, are fixed in small through hole by bearing
Control-rod 427 is installed, and control-rod 427 is vertically arranged with driven shaft 424, the center spiral shell of control-rod 427 and damping slide block 428
Pit is spirally connected, and realizes that damping slide block 428 moves on control-rod 427 by the disk on rotation control rod 427, and then adjust resistance
The laminating degree of Buddhist nun's sliding block 428 and damping fin 431, so that the size of damping force is adjusted, fixed peace at the top of damping unit middle section 415
Equipped with damping unit upper cover 429, in the through-hole of damping unit middle section 415 and damping unit block 413, interference fit, which is equipped with, leads
Bar 430, guide rod 430 are vertically arranged with driving shaft 407, four guide rods 430 respectively with four screw threads of 428 four corners of damping slide block
Hole is spirally connected, and is provided with damping fin 431 on the arc surface of the damping slide block 428, offers spiral shell on two guide rail upper mounting plates 403
Pit is bolted with operating stick 432 in threaded hole, and 432 both ends of operating stick are provided with disk, and operating stick 432 is located at guide rail upper mounting plate
The lower surface of 403 lower section bottom end disks is provided with damping gasket 433.Driving wheel 434 is identical as the transverse tooth thickness of driven wheel 424, modulus
It is identical, the size of damping force is adjusted by adjusting the combination degree of damping fin 431 and damping sleeve 425；When the wheel of automobile is
When active drive, clutch 406 is disconnected, and wheel drives rotary drum body 412 to rotate, and damping fin 431 is in contact with damping sleeve 425, is produced
Raw damping force, mutually balances with Automobile drive power, and when the tire of automobile is driven driving, clutch 406 is closed, and opens motor
405, so that rotary drum body 412 be made to drive vehicle wheel rotation, damping fin 431 is separated with 425 phase of damping sleeve, undamped power；It is put down on guide rail
Platform 403 is equipped with threaded hole, and screws in the threaded operating stick 432 in end, and 403 lower section of guide rail upper mounting plate is located in operating stick 432
The damping gasket 433 of disk bottom end fitted closely with III 401 surface of bottom plate, so as to II 402 phase of sliding block railroad
Cooperation is to adjust 412 position of rotary drum body to adapt to the automobile of different model.
As shown in figure 14, the fan assembly 5 includes base plate 501, and base plate 501 is installed on ground, blower
There are three blowers 502 for the upper surface setting of pedestal 501.
The application method of vehicle complete vehicle reliability test bench is included the following steps: using vehicle complete vehicle reliability test bench
Step 1, the wheelspan, wheelbase and automotive wheel size that automobile is determined according to the vehicle of tested automobile, pass through tune
Positioning operation bar 432 and sliding-rail sliding device II 402 in wheel hub component 4 are saved to position determining 412 position of rotary drum body, by automobile
It hangs on testing stand, and is located at the wheel of tested automobile in the gap of adjacent hubs body 412, guarantee automobile case
Minimum point be higher than rotary drum body 412 highest point；
Step 2, I 113 start button of vibration excitor for opening the X-Y axis exciting component 1 on supervisory control desk starts vibration excitor I
113, swashing for X-Y axis is applied by the structure that four vibration excitors I 113 in X-Y axis exciting component 1 are 112 top of component top plate
Vibration, and interact with I 110 damping force of spring and generate the vibration of X-Y axis, simulation is when automobile encounters protuberance ground from preceding
The vibration in face, back and side；
Step 3, the pump start button on supervisory control desk is opened, the hydraulic cylinder of rotary components 2 drops in oil pump drive portion decilitre
227 work make the piston rod of hydraulic cylinder 227 stretch out or withdraw out of hydraulic cylinder body, thus realize the lifting of lifter plate 229, into
And the structure of 229 top of lifter plate is made to be lifted or put down, potted road surface is fallen into for simulated automotive piece wheel or traveling exists
Swell state when road surface；
Step 4,239 start button of stepper motor of the lifting rotation component 2 on supervisory control desk, stepper motor 239 are opened
Work drives pinion gear 240 to rotate, and then pinion gear 240 drives gear wheel 236 to rotate, and drives the lifting of lifting rotation component 2
Plate 229 realizes spinning movement, so that the structure of 229 top of lifter plate be made to complete spinning movement, is used for simulated automotive wheel steering
When driving status；
Step 5, the start button for opening the vibration excitor II 307 in the Z axis exciting component 3 on supervisory control desk, is swashed by Z axis
Vibration excitor II 307 in vibration component 3 is that system applies Z axis exciting, and interacts with II 304 damping force of spring and generate Z axis
Vibration；When the automotive wheel in rotary drum body 412 is active drive, clutch 406 is disconnected, by artificial before reliability test
The control-rod 427 of rotary damping device makes the damping fin 431 on damping slide block 428 connect with the damping sleeve 425 on driven shaft 435
Touching starts automobile engine, drives automotive wheel rotation, and automotive wheel rotation drives wheel hub body 412 to rotate, 412 band of rotary drum body
Dynamic driving shaft 407 rotates, and driving shaft 407 drives the driven wheel 424 being engaged with to rotate by driving wheel 434 thereon, in turn
Driven shaft 435 generates rotation, and friction is generated between damping sleeve 425 and damping fin 431, to rotate in driven by engine Automobile
Load is brought to wheel tyre in dynamic process, the driving status for simulated automotive active drive wheel when driving；According to reality
Operating condition avoid automobile from going out this testing stand during the test by adjusting the spacing between rotary drum body 412；When on wheel hub
When automobile tire is driven driving, clutch 406 is closed, and rotary damping device control-rod 427 makes the damping sleeve on driven shaft 435
425 separate with 431 phase of damping fin on damping slide block 428, start motor 405 by the electric motor starting button on supervisory control desk,
Electronic 405 machine output shaft rotation drives actively 407 axis rotation, and then the wheel hub body 412 on driving shaft 407 is driven to rotate, rotary drum
The rotation of body 412 drives automotive wheel rotation, to carry out driving force for the tire belt of driven rotation, for simulated automotive when driving from
The state of driving wheel 424；
Step 6, according to requirement of experiment, after the angle by manually adjusting blower 502, the wind on supervisory control desk is finally opened
Machine start button starts blower 502, by manually adjusting wind direction and the wind-force size of blower come the windage in simulated automotive traveling.
Claims (7)
1. a kind of vehicle complete vehicle reliability test bench, which is characterized in that swash including several X-Y axis exciting components, several Z axis
Vibration component, several lifting rotation components, several drum assemblies and fan assembly, every two X-Y axis exciting component pass through
Broadside abutting joint, each X-Y axis exciting component top are mounted on lifting rotation component, and each lifting rotation component top is
Z axis exciting component is installed, is mounted on drum assembly, and X-Y axis exciting component, Z axis exciting at the top of each Z axis exciting component
Component, lifting rotation component and drum assembly constitute whole master component, the X-Y axis exciting component, lifting assembly, Z axis exciting
Component and drum assembly are mounted below ground, and III upper surface of bottom plate of drum assembly is concordant with ground, on the ground
Fan assembly is installed, the base plate supporting leg lower surface of fan assembly is concordant with ground.
2. a kind of vehicle complete vehicle reliability test bench according to claim 1, it is characterised in that: the X-Y axis exciting group
Part includes bottom plate, and the bottom plate is fixedly installed in below ground, and plate upper surface is provided with guiderail base, guide rail along its length
Base upper surface is mounted on short fixed steelframe, is equipped with short sliding-rail sliding device I, plate upper surface on two short fixed steelframe
It is provided with long fixed steelframe in the width direction, long track slide block device I, long track sliding block dress are installed on two long fixed steelframe
Set I and the shoe surface of short sliding-rail sliding device I be mounted on bar support base, two bars support on short sliding-rail sliding device I
Long round bar is installed between seat, short round bar is installed between two bar support bases on long track slide block device I, short round bar and oval
It is respectively mounted on bar there are two spring I and two spring pedestal, I one end of spring is connected with spring pedestal, the other end and bar support base
It is connected, the upper surface of spring pedestal is equipped with component top plate, and the lower surface of component top plate is equipped with vibration excitor I.
3. a kind of vehicle complete vehicle reliability test bench according to claim 1, it is characterised in that: the lifting rotation component
Including support plate, lower fixed steel frame component and upper fixed steel frame component, the support plate and X-Y axis exciting of lifting rotation component
The component top plate of component is fixedly mounted, and support plate upper surface is equipped with lower fixed steel frame component, and lower fixed steel frame component includes
The fixed steelframe in lower outside, the fixed steelframe in lower inside and under short fixed steelframe, the fixed steelframe in lower outside and under short fixed steelframe head and the tail
It is connected, and is symmetrically arranged with the fixed steelframe in lower inside under two between short fixed steelframe, the fixed steelframe in the lower outside and lower interior
Lower outside sliding-rail sliding device and lower inside sliding-rail sliding device, lower outside sliding-rail sliding dress are separately installed on the fixed steelframe in side
The slider top set is equipped with lower outboard shafts roller support, and outside rolls and is equipped with the axis of rolling I between shaft stool under two, lower interior
The slider top of wood side-guide slide block device is equipped with lower inner shafts and rolls shaft stool, and two lower inner shafts roll pacifies between shaft stool
Equipped with the axis of rolling II, fixed steel frame component includes the fixed steelframe in upper outside, the fixed steelframe in upper inside and upper short fixed steel
Frame, the fixed steelframe in upper outside and upper short fixed steelframe join end to end, and are symmetrically arranged between two upper short fixed steelframes interior
Steelframe is fixed in side, be separately installed on the fixed steelframe of the fixed steelframe in the upper outside and upper inside outside sliding-rail sliding device and
Upper inside sliding-rail sliding device, the slider bottom of upper outside sliding-rail sliding device are equipped with outboard shafts roller support, on two
Outside rolls and is equipped with the axis of rolling III between shaft stool, and the slider bottom of upper inside sliding-rail sliding device is equipped with inner shafts rolling
Support is moved, the axis of rolling IV is installed between two upper inner shafts roller supports, the axis of rolling I and III one end of the axis of rolling pass through stock I
It is connected, the other end is connected by stock II, and the axis of rolling II is connected with IV one end of the axis of rolling by stock III, and the other end passes through stock
IV is connected, the stock I, stock III, stock IV and stock II centre bore in be interspersed with firm axis, table on the support plate
Face is equipped with hydraulic cylinder bearing soleplate, and hydraulic cylinder bearing soleplate upper surface is symmetrically installed with hydraulic cylinder weight bearing foundation, and hydraulic cylinder is held
The upper surface of weight pedestal is equipped with hydraulic cylinder, and the piston-rod end of hydraulic cylinder is equipped with hydraulic cylinder flange, two hydraulic cylinder flanges
Upper surface and upper fixed steelframe upper surface be provided with lifter plate, and lifter plate is fixedly mounted on fixed steelframe and hydraulic cylinder method
Lan Shang, the four corners of lifter plate are mounted on buphthalmos ball backing plate, buphthalmos ball, institute are mounted on each buphthalmos ball backing plate
It states and swivel bearing support is installed at the center of lifter plate upper surface, swivel bearing support passes through rotational positioning set and bearing thereon
Outer ring is fixedly mounted, and bearing inner race and the swivel bearing seat of honour are fixedly mounted, and the swivel bearing seat of honour is connected by key gear wheel, canine tooth
Wheel top is fixedly mounted with top plate I, and the lifter plate upper surface is equipped with motor support plate, installation at the top of two motor support plates
There is motor fixing plate, the lower surface of motor fixing plate is fixedly installed with stepper motor, and stepper motor output shaft is fixed through motor
Plate part is connected by key the pinion gear engaged with gear wheel.
4. a kind of vehicle complete vehicle reliability test bench according to claim 1, it is characterised in that: the Z axis exciting component
Including bottom plate I, the bottom plate I of the Z axis exciting component and the top plate I of lifting rotation component are fixedly mounted, I upper surface of bottom plate
Four corners are fixedly installed with lower guide rod, and lower guide rod outer circle is arranged with spring II and top guide bar, and II one end of spring is against lower guide rod
End flanges on, the other end is against on the end face of top guide bar one end, and the end flanges of the top guide bar other end and top plate II are fixedly mounted,
It is fixedly installed with II fixed plate of vibration excitor at the lower surface center of top plate II, is fixedly installed with vibration excitor in II fixed plate of vibration excitor
Ⅱ。
5. a kind of vehicle complete vehicle reliability test bench according to claim 1, it is characterised in that: the wheel hub component includes
Bottom plate III and guide rail upper mounting plate, the bottom plate III of the wheel hub component and the top plate II of Z axis exciting component are fixedly mounted, the bottom plate
III upper surface is symmetrically arranged with sliding-rail sliding device II along its length, and the sliding block upper surface of sliding-rail sliding device II is equipped with two
A guide rail upper mounting plate, two guide rail upper mounting plate upper surfaces one end are mounted on motor base, are fixedly installed with electricity on motor base
Machine, motor output shaft are connected by clutch, Axial Mounting Part and key with driving shaft one end, and two guide rail upper mounting plate upper surfaces are equal
Bearing block base is installed, bearing block base upper surface is equipped with bearing block I, and the driving shaft other end is through bearing block I by turning
Drum key is equipped with rotary drum front cover and rotary drum rear cover, and rotary drum body is equipped between rotary drum front cover and rotary drum rear cover, on the guide rail
The platform upper surface other end is fixedly installed with damping unit block, and damping unit block intracavity bottom is equipped with bearing block II, resistance
Damping unit middle section, damping unit block and damping unit middle section junction two of them are fixedly installed at the top of Buddhist nun's device block
Three large through-holes are formed on the side wall being oppositely arranged, active bearings are installed in one of large through-hole, and active bearings outside is big
Driving shaft transparent cover is installed in through-hole, active shaft filler washer is installed between driving shaft transparent cover and active bearings, in driving shaft transparent cover
Circle is equipped with sealing ring, the driving shaft through rotary drum back cover portion sequentially pass through active shaft filler washer, sealing ring, active bearings,
Driving shaft oil baffle disc, driving wheel and bearing block II are rotatablely installed, and are forwarded in the large through-hole of two coaxial arrangements by driven shaft dynamic
Driven shaft is installed, large through-hole inner wall is equipped with driven shaft boring cover, and driven shaft boring cover and driven shaft on the outside of two driven bearings
Driven shaft filler washer is installed between holding, driven wheel and damping sleeve be installed in the driven shaft outer circle, driven wheel and one it is driven
Between bearing, driven shaft oil baffle disc is mounted between damping sleeve and another driven bearing, damping unit block and damping fill
It sets and forms two small through hole on other two side wall for being oppositely arranged of middle section junction, be fixedly installed with control-rod in small through hole,
The screwed hole of centre of control-rod and damping slide block is spirally connected, and is fixedly installed with damping unit upper cover at the top of damping unit middle section, damps
It is fixedly installed with guide rod in the through-hole of device middle section and damping unit block, guide rod is vertically arranged with driving shaft, four guide rods point
Not with four screw holes of damping slide block four corners, damping fin is provided on the arc surface of the damping slide block, it is described to lead
Threaded hole is offered on rail upper mounting plate, operating stick is bolted in threaded hole, and operating stick both ends are provided with disk, the bottom of the operating lever circle
The upper surface of disk is provided with damping gasket.
6. a kind of vehicle complete vehicle reliability test bench according to claim 1, it is characterised in that: the fan assembly includes
Base plate, base plate are installed on ground, and there are three blowers for the upper surface setting of base plate.
7. a kind of application method of vehicle complete vehicle reliability test bench, reliable using a kind of vehicle complete vehicle described in claim 1
Property testing stand, which comprises the steps of:
Step 1, the wheelspan, wheelbase and automotive wheel size that automobile is determined according to the vehicle of tested automobile, pass through regulating wheel
Positioning operation bar and sliding-rail sliding device II in component are roused to position determining rotary drum body position, truck crane is placed in testing stand
On, and it is located at the wheel of tested automobile in the gap of adjacent hubs body；
Step 2, I start button of vibration excitor for opening the X-Y axis exciting component on supervisory control desk starts vibration excitor I, passes through X-Y axis
Four vibration excitors I in exciting component are the exciting that structure above component top plate applies X-Y axis, and with I damping force phase of spring
Interaction generates the vibration of X-Y axis, for simulating the vibration when automobile encounters protuberance ground from front, back and side
It is dynamic；
Step 3, the pump start button on supervisory control desk is opened, the hydraulic cylinder works of oil pump drive portion decilitre drop rotary components make
The piston rod of hydraulic cylinder is stretched out or is withdrawn out of hydraulic cylinder body, to realize the lifting of lifter plate, and then is made above lifter plate
Structure be lifted or put down, fall into potted road surface for simulated automotive piece wheel or travel state when swelling road surface；
Step 4, the stepper motor start button of the lifting rotation component on supervisory control desk is opened, stepper motor work drives small tooth
Wheel rotation, and then pinion gear drives gear wheel rotation, drives the lifter plate of lifting rotation component to realize spinning movement, to make to rise
It drops the structure above plate and completes spinning movement, driving status when for simulated automotive wheel steering；
Step 5, the start button for opening the vibration excitor II in the Z axis exciting component on supervisory control desk, by Z axis exciting component
Vibration excitor II be system apply Z axis exciting, and with II damping force of spring interact generate Z axis vibration；When in rotary drum body
Automotive wheel when being active drive, clutch disconnects, by the control-rod of artificial rotary damping device before reliability test
So that the damping fin on damping slide block is in contact with the damping sleeve on driven shaft, start automobile engine, drives automotive wheel rotation,
Automotive wheel rotation drives the rotation of wheel hub body, and rotary drum body drives driving shaft rotation, driving shaft by driving wheel thereon drive with
Engagement driven wheel rotation, and then driven shaft generate rotation, between damping sleeve and damping fin generate friction, thus in engine
To wheel tyre load is brought during driving automotive wheel rotation, the traveling for simulated automotive active drive wheel when driving
State；Automobile is avoided to go out this testing stand during the test by adjusting the spacing between rotary drum body according to actual operating condition；
When the automobile tire on wheel hub is driven driving, clutch closure, rotary damping device control-rod makes the damping on driven shaft
Set is mutually separated with the damping fin on damping slide block, starts motor, motor output by the electric motor starting button on supervisory control desk
Axis rotation drives spindle rotation, and then drives the wheel hub body rotation on driving shaft, and rotary drum body rotation drives automotive wheel rotation,
State to carry out driving force for the tire belt of driven rotation, for simulated automotive driven wheel when driving；
Step 6, according to requirement of experiment, after the angle by manually adjusting blower, the blower start button on supervisory control desk is opened
Start blower, by manually adjusting wind direction and the wind-force size of blower come the windage in simulated automotive traveling.
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| CN201910321972.3A CN109900498B (en) | 2019-04-22 | 2019-04-22 | Automobile whole reliability test bed and use method |
| PCT/CN2019/084728 WO2020215344A1 (en) | 2019-04-22 | 2019-04-28 | Automotive vehicle reliability test bench and usage thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910321972.3A CN109900498B (en) | 2019-04-22 | 2019-04-22 | Automobile whole reliability test bed and use method |
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| CN110908358A (en) * | 2019-11-01 | 2020-03-24 | 昆山朗捷通物联信息有限公司 | Fault diagnosis device for new energy automobile based on Internet of things |
| CN111693301A (en) * | 2020-06-19 | 2020-09-22 | 陈尧 | New energy automobile comprehensive properties tests rack |
| CN115502944A (en) * | 2022-11-10 | 2022-12-23 | 宝武集团马钢轨交材料科技有限公司 | Installation device and installation method for spoke plate roller driving oil cylinder of high-speed rail wheel rolling mill |
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